DevTools: NetworkRequest: convert connectionId to string

Source/devtools/front_end/sdk/NetworkRequest.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 50 matching lines @@
 
     this._type = WebInspector.resourceTypes.Other;
     this._contentEncoded = false;
     this._pendingContentCallbacks = [];
     /** @type {!Array.<!WebInspector.NetworkRequest.WebSocketFrame>} */
     this._frames = [];
 
     this._responseHeaderValues = {};
 
     this._remoteAddress = "";
+
+    /** @type {string} */
+    this.connectionId = "0";
 }
 
 WebInspector.NetworkRequest.Events = {
     FinishedLoading: "FinishedLoading",
     TimingChanged: "TimingChanged",
     RemoteAddressChanged: "RemoteAddressChanged",
     RequestHeadersChanged: "RequestHeadersChanged",
     ResponseHeadersChanged: "ResponseHeadersChanged",
 }
 
@@ skipping 914 matching lines @@
      * @param {boolean} sent
      */
     addFrame: function(response, time, sent)
     {
         var type = sent ? WebInspector.NetworkRequest.WebSocketFrameType.Send : WebInspector.NetworkRequest.WebSocketFrameType.Receive;
         this._frames.push({ type: type, text: response.payloadData, time: time, opCode: response.opcode, mask: response.mask });
     },
 
     __proto__: WebInspector.SDKObject.prototype
 }